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ASHRAE 23.1 10:2010 Edition

ASHRAE 23.1 10:2010 Edition

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ASHRAE Standard 23.1Methods of Testing for Rating the Performance of Positive Displacement Refrigerant Compressors and Condensing Units that Operate at Subcritical Temperatures of the Refrigerant

Published By Publication Date Number of Pages
ASHRAE 2010 16
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PDF Pages PDF Title
4 FOREWORD
FOREWORD
1. PURPOSE
1. PURPOSE
2. SCOPE
2. SCOPE
2.1 This standard applies to the methods of testing for rating the thermodynamic performance of single-stage positive-displacement refrigerant compressors and condensing units that operate at subcritical temperatures of the refrigerant which either (…
2.1 This standard applies to the methods of testing for rating the thermodynamic performance of single-stage positive-displacement refrigerant compressors and condensing units that operate at subcritical temperatures of the refrigerant which either (…
2.2 This standard applies to all of the refrigerants listed in ASHRAE Standard 34,1 Designation and Safety Classification of Refrigerants, that fall within the scope defined in Section 2.1.
2.2 This standard applies to all of the refrigerants listed in ASHRAE Standard 34,1 Designation and Safety Classification of Refrigerants, that fall within the scope defined in Section 2.1.
3. DEFINITIONS
3. DEFINITIONS
6 4. CLASSIFICATIONS
4. CLASSIFICATIONS
4.1 Compressor Types. Single-stage positive-displacement compressors (which may or may not include an integral lubricant separator) that are within the scope of this standard are classified as one of the following types:
4.1 Compressor Types. Single-stage positive-displacement compressors (which may or may not include an integral lubricant separator) that are within the scope of this standard are classified as one of the following types:
4.2 Condensing Unit Types. Single-stage positive-displacement condensing units that are within the scope of this standard are classified as one of the following types:
4.2 Condensing Unit Types. Single-stage positive-displacement condensing units that are within the scope of this standard are classified as one of the following types:
4.3 Calorimeter Types. Calorimeters that are within the scope of this standard are classified either as evaporator calorimeters or as condenser calorimeters.
4.3 Calorimeter Types. Calorimeters that are within the scope of this standard are classified either as evaporator calorimeters or as condenser calorimeters.
4.4 Flowmeter Types. Flowmeters that are within the scope of this standard are classified as one of the following types:
4.4 Flowmeter Types. Flowmeters that are within the scope of this standard are classified as one of the following types:
5. REQUIREMENTS
5. REQUIREMENTS
5.1 Test Requirements.
5.1 Test Requirements.
7 TABLE 1 Refrigerant Mass Flow Rate Test Methods
TABLE 1 Refrigerant Mass Flow Rate Test Methods
Figure 1a Refrigeration cycle schematic with thermodynamic state point numbers.
Figure 1a Refrigeration cycle schematic with thermodynamic state point numbers.
Figure 1b Pressure-versus-enthalpy diagram for the refrigeration cycle shown in Figure 1a.
Figure 1b Pressure-versus-enthalpy diagram for the refrigeration cycle shown in Figure 1a.
8 5.2 Specified Test Conditions. Rating tests on a compressor or condensing unit shall be performed at one or more sets of steady-state operating test conditions. Each set of specified test conditions shall include the parameters described in Sections …
5.2 Specified Test Conditions. Rating tests on a compressor or condensing unit shall be performed at one or more sets of steady-state operating test conditions. Each set of specified test conditions shall include the parameters described in Sections …
9 5.3 Values to be Determined.
5.3 Values to be Determined.
6. INSTRUMENTS
6. INSTRUMENTS
6.1 General
6.1 General
6.2 Temperature Measurements
6.2 Temperature Measurements
6.3 Pressure Measurements
6.3 Pressure Measurements
6.4 Refrigerant Mass Flow Rate Measurements
6.4 Refrigerant Mass Flow Rate Measurements
6.5 Coolant Liquid Flow Rate Measurements
6.5 Coolant Liquid Flow Rate Measurements
6.6 Electrical Power Measurements
6.6 Electrical Power Measurements
10 6.7 Shaft Power Measurements
6.7 Shaft Power Measurements
6.8 Shaft Rotational Speed Measurements
6.8 Shaft Rotational Speed Measurements
6.9 Compressor Torque Measurements
6.9 Compressor Torque Measurements
6.10 Time Measurements
6.10 Time Measurements
6.11 Weight Measurements
6.11 Weight Measurements
7. METHODS OF TESTING
7. METHODS OF TESTING
7.1 Refrigerant Mass Flow Rate Measurement
7.1 Refrigerant Mass Flow Rate Measurement
7.2 Power Input Measurement
7.2 Power Input Measurement
8. COMPRESSOR TESTING
8. COMPRESSOR TESTING
8.1 Preparations
8.1 Preparations
8.2 Operating Conditions and Limits
8.2 Operating Conditions and Limits
8.3 Compressor Test Report
8.3 Compressor Test Report
11 9. CONDENSING UNIT TESTING
9. CONDENSING UNIT TESTING
9.1 Preparations
9.1 Preparations
9.2 Operating Conditions and Limits
9.2 Operating Conditions and Limits
12 9.3 Condensing Unit Test Report
9.3 Condensing Unit Test Report
10. REFERENCES
10. REFERENCES

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